EP4153395B1 - Moule pour le traitement de particules plastiques expansibles ou expansées - Google Patents

Moule pour le traitement de particules plastiques expansibles ou expansées

Info

Publication number
EP4153395B1
EP4153395B1 EP21728853.9A EP21728853A EP4153395B1 EP 4153395 B1 EP4153395 B1 EP 4153395B1 EP 21728853 A EP21728853 A EP 21728853A EP 4153395 B1 EP4153395 B1 EP 4153395B1
Authority
EP
European Patent Office
Prior art keywords
mold
particle material
plastic
plastic particles
orientation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21728853.9A
Other languages
German (de)
English (en)
Other versions
EP4153395C0 (fr
EP4153395A1 (fr
Inventor
André Rauscher
Jonas BECK
René HUBERT
Philipp PLATSCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siegfried Hofmann GmbH
Original Assignee
Siegfried Hofmann GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siegfried Hofmann GmbH filed Critical Siegfried Hofmann GmbH
Publication of EP4153395A1 publication Critical patent/EP4153395A1/fr
Application granted granted Critical
Publication of EP4153395C0 publication Critical patent/EP4153395C0/fr
Publication of EP4153395B1 publication Critical patent/EP4153395B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B29C44/585—Moulds with adjustable size of the mould cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B29K2025/04—Polymers of styrene
    • B29K2025/06—PS, i.e. polystyrene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing

Definitions

  • the invention relates to a molding tool for processing expandable or expanded plastic particles to produce a multi-component particle foam component and to a method for processing expandable or expanded plastic particles to produce a multi-component particle foam component.
  • particle foam components i.e., particle foam components consisting of at least two expandable or expanded particle foam materials that differ in at least one chemical and/or physical parameter.
  • particle foam components are characterized by locally different structural properties, making their property profile of great interest for various applications and fields of use.
  • JP S61 130026 A discloses a molding tool according to the preamble of claim 1.
  • the invention is based on the object of providing a molding tool which is improved compared to the prior art for processing expandable or expanded plastic particles to produce a multi-component particle foam component and a method for processing expandable or expanded plastic particles to produce a multi-component particle foam component.
  • a first aspect of the invention relates to a molding tool for processing expandable or expanded plastic particles (“plastic particles”) from an expandable or expanded plastic particle material (“plastic particle material”) for producing a multi-component particle foam component.
  • the molding tool is thus configured to produce at least one multi-component particle foam component.
  • a multi-component particle foam component is a component consisting of at least two particle foam materials that differ in at least one chemical parameter, such as the chemical composition, and/or physical parameters, such as the density, particle size, particle shape, etc.
  • the molding tool is thus configured to produce plastic particles from particles that differ in at least one chemical parameter and/or physical parameters to produce a multi-component particle foam component.
  • a corresponding multi-component particle foam component thus comprises a first particle foam component region formed by a first molded part and at least one further particle foam component region formed by at least one further molded part, wherein the first region differs from the at least one further region in at least one chemical parameter and/or physical parameter.
  • the plastic particles that can be processed using the mold can be unexpanded plastic particles, pre-expanded plastic particles, or fully expanded plastic particles made from one or more plastic particle materials.
  • Both unexpanded and pre-expanded plastic particles are typically expandable, i.e., they can be (further) expanded in an expansion process, e.g., thermally induced by a temperature-controlled process fluid.
  • the bonding of the plastic particles during processing to form the particle foam component is typically accompanied by a corresponding (further) expansion process of the plastic particles.
  • Fully expanded plastic particles can typically no longer be (further) expanded.
  • the bonding of the plastic particles during processing to form the particle foam component is typically not accompanied by a corresponding (further) expansion process of the plastic particles.
  • the corresponding plastic particles may be, for example, plastic particles made of a plastic particle material based on polyolefins, i.e. in particular polypropylene, based on thermoplastic elastomers, i.e. in particular thermoplastic polyurethane, or based on polystyrene.
  • the plastic particles that can be processed by means of the molding tool are typically not bonded to one another prior to their processing by means of the molding tool; the plastic particles that can be processed by means of the molding tool are therefore typically present as loose particles, i.e., for example, as a particulate bulk material, prior to their processing with the molding tool and are accordingly introduced into the molding tool as loose particles via at least one filling device of the molding tool.
  • the mold can be designed in one or more parts.
  • the mold comprises at least two mold bodies, which may also be referred to or considered as mold halves.
  • the mold or respective mold body comprises or comprise at least one mold (body) wall.
  • the at least one mold (body) wall delimits or defines a mold cavity.
  • the at least one mold (body) wall may comprise one or more mold (body) wall sections.
  • the mold (body) wall sections may be arranged or configured to extend in at least one spatial plane and/or direction.
  • the at least one mold (body) wall may thus be arranged or configured, for example, to be flat, inclined, curved, or arched, at least in sections.
  • the at least one mold (body) wall can be provided, at least in sections, with a plurality of openings, in particular bore-like or -shaped or nozzle-like or -shaped.
  • a process fluid such as steam or superheated steam, can be introduced into the mold cavity via corresponding openings—these can specifically be designed, for example, as slot-like or -shaped openings.
  • a specific pressure level such as an overpressure or underpressure, can be generated or maintained in the mold cavity via corresponding openings.
  • the mold cavity i.e. in particular the respective partial volumes of the mold cavity explained in more detail below, can be successively filled with plastic particles to be processed by means of the mold via filling devices assigned to the mold.
  • the mold is typically assigned a plurality of filling devices, via which plastic particles made of plastic particle materials that differ in at least one chemical parameter, such as the chemical composition, and/or physical parameters, such as the density, the particle size, the particle shape, etc., can be filled into the mold cavity.
  • plastic particles made of a first plastic particle material can be or are filled into the mold cavity, i.e.
  • Corresponding filling devices can be configured to generate a conveying flow, in particular a pressurized one, by means of which the plastic particles to be filled into the mold cavity can be conveyed into the mold cavity.
  • Corresponding filling devices typically comprise at least one flow generation device for generating a corresponding conveying flow and at least one conveying element, in particular a tubular or shaped element, that delimits or defines a conveying path opening into the mold cavity.
  • flow generation device for generating a corresponding conveying flow
  • at least one conveying element in particular a tubular or shaped element, that delimits or defines a conveying path opening into the mold cavity.
  • conveying element in particular a tubular or shaped element
  • the molding tool comprises at least one slide-like or -shaped molding tool element.
  • a first functionality of the at least one mold element is to occupy at least a partial volume of the mold cavity and to release it as needed.
  • the at least one mold element can be moved into a first orientation and/or position and into at least one further orientation and/or position.
  • the at least one mold element is thus movably mounted between a first orientation and/or position and at least one further orientation and/or position different from the first orientation and/or position.
  • the at least one mold element is thus movably mounted in at least one translational and/or rotational degree of freedom of movement and can be transferred into the first orientation and/or position and into the at least one further orientation and/or position by movements along at least one translational and/or rotational movement path - combined movement paths in at least two different degrees of freedom of movement are also conceivable, so that, for example, screw-like or screw-shaped movement paths are conceivable.
  • corresponding degrees of freedom of movement or trajectories are linear degrees of freedom of movement or trajectories along a linear axis of movement or pivoting degrees of freedom of movement or pivoting trajectories around a pivot axis.
  • the at least one mold element may not protrude into the mold cavity in the first orientation and/or position, but may protrude into the mold cavity by a certain amount in the at least one further orientation and/or position. The at least one mold element is thus moved into the mold cavity by a certain distance in the at least one further orientation and/or position compared to the first orientation and/or position.
  • the first orientation and/or position of the at least one mold element can therefore be correlated with a retracted state of the at least one mold element, and the at least one further orientation and/or position of the at least one mold element can be correlated with an extended state of the at least one mold element.
  • the at least one mold element in particular with a free end facing the mold cavity, can thus be flush with a mold (body) wall delimiting the mold cavity.
  • the at least one mold element can be inserted into the mold cavity by a certain amount compared to the first orientation and/or position and thus also over the corresponding mold (body) wall protrude into the mold cavity, so that the at least one mold element occupies a partial volume of the mold cavity in the further orientation and/or position.
  • the at least one mold element can protrude into the mold cavity by a first amount in the first orientation and/or position, and in the further orientation and/or position it protrudes into the mold cavity by a further amount different from the first amount.
  • the at least one mold element is thus moved into the mold cavity by a specific first distance in the first orientation and/or position, and in the at least one further orientation and/or position it is moved into the mold cavity by a specific further distance compared to the first orientation and/or position.
  • the first orientation and/or position of the at least one mold element can be correlated with a (further) retracted state of the at least one mold element, and the further orientation and/or position of the at least one mold element can be correlated with a (further) extended state of the at least one mold element.
  • the at least one mold element in particular with a free end facing the mold cavity, can protrude by a first dimension or a first distance into the mold cavity and thus also by a first dimension or a first distance over a mold (body) wall into the mold cavity, so that the at least one mold element occupies a first partial volume of the mold cavity in the first orientation and/or position.
  • the at least one mold element can protrude by a further dimension or a further distance into the mold cavity compared to the first orientation and/or position and thus also by a further dimension or a further distance over the corresponding mold (body) wall into the mold cavity, so that the at least one mold element occupies a further partial volume of the mold cavity in the further orientation and/or position.
  • the further dimension or the further distance is typically greater than the first dimension or the first distance.
  • the at least one mold element is fundamentally possible for the at least one mold element to be additionally moved into at least one orientation and/or position lying between respective first and further orientations and/or positions.
  • At least one drive device is typically assigned to the at least one mold element.
  • a corresponding drive device is designed to generate a drive force and/or a drive torque, by means of which the at least one mold element can be moved into respective orientations and/or positions.
  • a corresponding drive device can be, for example, a hydraulic or pneumatic drive device.
  • a corresponding drive device can comprise at least one hydraulic or pneumatic drive element, which is connected to the at least one mold element can be coupled or is coupled.
  • a corresponding drive device can be an (electric) motor drive device.
  • a corresponding drive device can comprise at least one (electric) motor drive element that can be coupled or is coupled to the at least one mold element.
  • a second functionality of the at least one mold element is to introduce a process fluid, such as steam or superheated steam, into the mold cavity as needed during operation of the mold.
  • the at least one mold element is designed with or comprises a flow channel structure extending within the mold element and through which a process fluid can flow.
  • a corresponding flow channel thus extends through the at least one mold element in at least one spatial direction and/or spatial plane between an inflow opening, through which a process fluid can flow into the flow channel or into the flow channel structure, and at least one outflow opening, through which a process fluid can flow out of the flow channel or out of the flow channel structure into the mold cavity.
  • the flow channel structure can comprise multiple flow channels. The flow channels can be designed to communicate with one another or not to communicate with one another.
  • the at least one mold element is therefore typically designed with or comprises at least one, in particular nozzle-like or nozzle-shaped, outflow opening (flow opening), via which a process fluid flowing through the at least one flow channel or the flow channel structure can flow out of the at least one mold element into the mold cavity.
  • a corresponding outflow of process fluid from the at least one flow channel or the flow channel structure into the mold cavity occurs in particular when the at least one mold element is or will be moved into a corresponding first orientation and/or position and/or into a corresponding further orientation and/or position.
  • the configuration of the at least one mold element enables efficient and reproducible production of multi-component particle foam components of high quality, so that an improved mold for processing plastic particles for the production of multi-component particle foam components is available.
  • the at least one mold element in particular the at least one flow channel structure, can be formed or manufactured at least partially, optionally completely, using an additive manufacturing process.
  • the at least partially, optionally completely additive formation or manufacturing of the at least one Mold element, in particular the flow channel structure enables the formation of flow channel arrangements and geometries that are optimized, in particular with regard to undesirable energy losses, i.e. in particular pressure and/or temperature losses, and which cannot be realized using conventional manufacturing methods.
  • highly delicate flow channel arrangements and geometries can be realized that cannot be realized using conventional manufacturing methods.
  • the at least one mold element - as is the case with the entire mold - is typically a metallic component, additive manufacturing methods with which metallic components can be manufactured are particularly suitable for the formation or production of the at least one mold element.
  • the at least one mold element it is possible for the at least one mold element to be manufactured entirely additively. If only the flow channel structure is manufactured additively, it can be incorporated, e.g., as an insert element, into a base body of the at least one mold element provided with a receptacle for the flow channel structure. It is also conceivable for the flow channel to be additively constructed on a base body of the mold element in the form of a hybrid component.
  • the flow channel structure can comprise at least one lattice structure comprising a plurality of structural elements arranged or formed in a lattice-like or grid-like manner. Corresponding structural elements can, for example, be strut-like or shaped.
  • the lattice structure can define a plurality of communicating subspaces.
  • the lattice structure can be designed to extend through the at least one mold element in at least one spatial plane and/or spatial direction and therefore typically occupies a specific spatial volume of the at least one mold element.
  • the lattice structure can be arranged or formed, in particular, in the region of a free end of the at least one mold element facing the mold cavity and can communicate with outflow openings arranged or formed, in particular, in the region of a free end facing the mold cavity.
  • the lattice structure can be arranged or formed to extend at least partially, in particular completely, across the cross section of the at least one mold element and thus serve as a distributor structure for distributing a process fluid flowing through the at least one mold element across the cross section of the at least one mold element.
  • the lattice structure can in particular be formed or manufactured using an additive manufacturing process.
  • the at least one mold element is designed with at least one, in particular nozzle-like or nozzle-shaped, outflow opening (flow opening) or comprises such, via which a process fluid flowing through the flow channel structure from the at least one mold element can flow into the mold cavity.
  • the at least one mold element it is possible for the at least one mold element to be provided with a plurality of outflow openings arranged or formed so as to extend over the entire cross section of the at least one mold element, such that an outflow of a process fluid over the entire cross section of the at least one mold element is possible. It is also conceivable for different outflow regions to be defined, through which a process fluid can flow out independently or independently of one another.
  • At least one first flow channel is assigned to a first number of outflow openings - these can, for example, form a first array of outflow openings - so that a first process fluid flowing through the at least one first flow channel can flow out into the mold cavity via the first number of outflow openings, and at least one further number of outflow openings - these can, for example, B. form a further array of outflow openings - at least one further flow channel is assigned, so that a further process fluid flowing through the at least one further flow channel can flow out into the mold cavity via the further number of outflow openings.
  • a corresponding first process fluid can differ from a corresponding further process fluid in at least one chemical parameter, such as the chemical composition, and/or physical parameters, such as the pressure, the temperature, etc.
  • the flow channel structure of the at least one mold element can be connected to a dedicated process fluid supply device, in particular one that can be operated independently of a process fluid supply device of the mold cavity—this can be, for example, a steam chamber.
  • a dedicated process fluid supply device in particular one that can be operated independently of a process fluid supply device of the mold cavity—this can be, for example, a steam chamber.
  • the at least one mold element can have at least one receiving area for receiving a free end of a filling device, in particular a filling device for filling the mold cavity with plastic particles made of a further or second plastic particle material that differs from a first plastic particle material in at least one chemical parameter and/or physical parameter.
  • a corresponding receiving area can be formed, for example, by a recess or depression in the at least one mold element, ie, in particular, in a free end of the at least one mold element facing the mold cavity.
  • a corresponding receiving area is designed to cooperate with a corresponding filling device, ie, in particular, a free end of a tubular or shaped conveying element of the filling device, projecting into the mold cavity, in such a way that the The free end of the conveying element, provided with an opening for the outflow of plastic particles, extends sealingly into the receiving area to a certain extent, thus the at least one molding tool element sealingly encloses the at least one opening at least in sections.
  • This interaction is realized in particular when the at least one molding tool element is moved into the further alignment and/or position. The same could be realized by the conveying element sealingly abutting the at least one molding tool element.
  • one function of the at least one mold element during operation of the mold is, in particular, to limit or define partial volumes of the mold cavity by means of corresponding movements, which can be filled with plastic particles as required.
  • a hardware- and/or software-implemented control device for controlling movements of the at least one mold element from the first orientation and/or position to the at least one further or second orientation and/or position, and vice versa can be assigned to the mold.
  • the control device is configured to generate control information for controlling the operation of at least one drive device assigned to the at least one mold element in order to move the at least one mold element into the further or second orientation and/or position.
  • the drive device can be operated accordingly based on the control information.
  • the control device can, in particular, be configured to move the at least one mold element into the further or second orientation and/or position before filling the mold cavity with plastic particles made of a first plastic particle material.
  • first partial volume of the mold cavity which can be filled with plastic particles made of a first plastic particle material
  • the first partial volume of the mold cavity that can be filled with plastic particles from the first plastic particle material is typically reduced by a first amount compared to the volume of the mold cavity that can be filled with plastic particle material in the first orientation and/or position of the at least one mold element.
  • the mold can also be provided with a control device implemented in hardware and/or software for controlling filling processes of the mold cavity, ie in particular the first partial volume of the mold cavity, with plastic particles from a first plastic particle material.
  • the control device is correspondingly configured to generate control information for controlling the operation of at least one filling device assigned to the mold, in particular a first filling device for filling the mold cavity, i.e. in particular the first partial volume of the mold cavity, with plastic particles made of a first plastic particle material, in order to carry out filling processes of the mold cavity, i.e. in particular the first partial volume of the mold cavity, with plastic particles made of a first plastic particle material.
  • the filling device can be or will be operated accordingly on the basis of the control information.
  • the control device can in particular be configured to carry out a filling process of the first partial volume of the mold cavity with plastic particles made of a first plastic particle material via a filling device, in particular via a first filling device, when the at least one mold element is moved into the further or second orientation and/or position.
  • the mold can also be assigned a hardware and/or software-implemented control device for controlling measures for connecting plastic particles filled into the mold cavity.
  • the control device can be configured to carry out at least one measure for connecting the plastic particles made of the first plastic particle material and filled into the first partial volume of the mold cavity, thereby forming a first molded part made of the first plastic particle material, when the first partial volume of the mold cavity is filled with plastic particles made of the first plastic particle material. Carrying out the measure for connecting the plastic particles made of the first plastic particle material thus results in the formation of a first molded part consisting of the first plastic particle material, which first molded part occupies a partial volume of the mold cavity.
  • the detection of the or a sufficient filling level of the first partial volume of the mold cavity with plastic particles made of the first plastic particle material can be achieved via a suitable detection device for detecting the filling level of the mold cavity, i.e., in particular of the first partial volume of the mold cavity.
  • a corresponding detection device can comprise one or more detection elements, which can be, for example, pressure sensors, whose detection information can be transmitted to the control device.
  • the measure for connecting plastic particles made of the first plastic particle material that are filled into the mold cavity can comprise introducing a temperature-controlled process fluid, in particular steam, into the first partial volume of the mold cavity, in particular via openings on the mold (body) side and/or the mold element side.
  • the control device can thus be configured to control the introduction of a temperature-controlled process fluid into the first partial volume of the mold cavity.
  • the process fluid can be provided, for example, via a process fluid supply device of the mold cavity assigned to the mold - this can be designed, for example, as a steam chamber.
  • the process fluid can, as mentioned, be provided via a separate process fluid supply device, which can in particular be operated independently of a process fluid supply device of the mold cavity.
  • the measure it is possible for the measure to be carried out by introducing a process fluid only via openings on the mold (body) wall side.
  • the control device configured to control movements of the at least one mold element can further be configured to move the at least one mold element from the further or second orientation and/or position to the first orientation and/or position when the measure for bonding the plastic particles from the first plastic particle material has been completed.
  • the control device is correspondingly configured to generate control information for controlling the operation of at least one drive device assigned to the at least one mold element in order to move the at least one mold element from the further or second orientation and/or position to the first orientation and/or position.
  • the drive device can be operated accordingly based on the control information.
  • a further or second partial volume of the mold cavity which can be filled with plastic particles from a further or second plastic particle material, is delimited or defined by the first mold part and/or the mold (body) wall and/or the at least one mold element moved into the first orientation and/or position.
  • the detection of the completion of the step for bonding the plastic particles from the first plastic particle material can be realized via a suitable detection device for detecting the completion of the step for bonding the plastic particles from the first plastic particle material.
  • a corresponding detection device can comprise one or more detection elements, which can be pressure sensors, for example, whose detection information can be transmitted to the control device.
  • the control device configured to control filling processes of the mold cavity can be configured to carry out a filling process of the further or second partial volume of the mold cavity with plastic particles from a further or second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter via a filling device, in particular via a further or second filling device for filling the mold cavity with plastic particles from a different from the first Plastic particle material in at least one further or second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter, when the at least one mold element is moved into the first orientation and/or position.
  • the control device is correspondingly configured to generate control information for controlling the operation of at least one filling device assigned to the mold, in particular a further or second filling device, in order to carry out filling processes of the mold cavity, ie in particular of the further or second partial volume of the mold cavity, with plastic particles from a further or second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter.
  • the filling device can be or are operated accordingly on the basis of the control information.
  • the detection of the movement of the at least one mold element into the first orientation and/or position can be realized via a suitable detection device for detecting movements of the at least one mold element into the first orientation and/or position.
  • a corresponding detection device can comprise one or more detection elements, which can be, for example, displacement sensors, whose detection information can be transmitted to the control device.
  • the control device configured to control measures for connecting plastic particles filled into the mold cavity can be configured to carry out at least one measure for connecting the plastic particles made of the further or second plastic particle material and filled into the further or second partial volume of the mold cavity, thereby forming a further, second molded part formed from the further or second plastic particle material, if the second partial volume of the mold cavity is filled with plastic particles made of the further or second plastic particle material.
  • Carrying out the measure for connecting the plastic particles made of the further or second plastic particle material thus results in the formation of a further or second molded part consisting of the further or second plastic particle material, which occupies a partial volume of the mold cavity.
  • the further or second molded part can be connected to the first molded part, in particular in a form-fitting, force-fitting, and/or material-fitting manner, thereby forming the multi-component particle foam component to be produced.
  • the detection of the or a sufficient filling level of the further or second partial volume of the mold cavity with plastic particles from the further or second plastic particle material, if necessary, e.g. with regard to the desired properties of a multi-component particle foam component to be produced, can be realized via a suitable detection device for detecting the filling level of the mold cavity, ie in particular of the further or second partial volume of the mold cavity.
  • a corresponding detection device can comprise one or more detection elements, These may, for example, include pressure sensors, the detection information of which can be transmitted to the control device.
  • the measure for connecting plastic particles made of the further or second plastic particle material and filled into the mold cavity can comprise introducing a temperature-controlled process fluid into the further or second partial volume of the mold cavity, in particular via openings on the mold (body) wall side and/or the mold element side.
  • the process fluid can be provided, for example, via a process fluid supply device of the mold cavity assigned to the mold - this can be designed, for example, as a steam chamber.
  • the process fluid can, as mentioned, be provided via a separate process fluid supply device, in particular one that can be operated independently of a process fluid supply device of the mold cavity.
  • the mold can also be assigned a hardware and/or software-implemented control device for controlling measures for evacuating and/or cooling the mold cavity.
  • the control device can be configured to carry out a measure for evacuating and/or cooling the mold cavity via a device for evacuating and/or cooling the mold cavity when the measure for bonding plastic particles made of the second plastic particle material that have been filled into the mold cavity has been completed.
  • the evacuation and/or cooling of the mold cavity can, for example, take place via individual, several, or all openings on the mold (body) wall side and/or outflow openings on the mold element side.
  • the detection of the completion of the step for bonding the plastic particles from the further or second plastic particle material can be realized via a suitable detection device for detecting the completion of the step for bonding the plastic particles from the second plastic particle material.
  • a corresponding detection device can comprise one or more detection elements, which can be pressure sensors, for example, whose detection information can be transmitted to the control device.
  • the control device configured to control movements of the at least one molding tool element can be configured to move the at least one molding tool element from the or a second orientation and/or position into a further or third orientation and/or position when the measure for bonding the plastic particles from the first plastic particle material, as described above, has been completed.
  • the control device is correspondingly configured to generate control information for controlling the operation of at least one drive device assigned to the at least one mold element in order to move the at least one mold element into the further or third orientation and/or position.
  • the drive device can be operated accordingly on the basis of the control information.
  • a second partial volume of the mold cavity which can be filled with plastic particles from a second plastic particle material, is delimited or defined by the first mold part and/or the mold (body) wall and/or the at least one mold element moved into the further or third orientation and/or position.
  • the control device configured to control filling processes of the mold cavity can be configured to carry out a filling process of the second partial volume of the mold cavity with plastic particles made of a second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter via a filling device, in particular via a second filling device for filling the mold cavity with plastic particles made of a second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter, when the at least one mold element is moved into the second orientation and/or position.
  • the control device is accordingly configured to generate control information for controlling the operation of at least one filling device assigned to the mold, in particular a further or second filling device, in order to carry out filling processes of the second partial volume of the mold cavity with plastic particles made of a second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter.
  • the filling device can be operated accordingly on the basis of the control information
  • the control device configured to control measures for connecting plastic particles filled into the mold cavity can be configured to carry out at least one measure for connecting the plastic particles made of the second plastic particle material filled into the second partial volume, forming a second molded part formed from the second plastic particle material, when the second partial volume of the mold cavity is filled with plastic particles made of the second plastic particle material.
  • the implementation of the measure for connecting the plastic particles made of the second plastic particle material thus results in the formation of a second molded part consisting of the second plastic particle material, which second molded part is Occupies a partial volume of the mold cavity.
  • the second molded part can be connected to the first molded part in particular in a form-fitting, force-fitting, and/or material-fitting manner.
  • the measure for connecting plastic particles made of the second plastic particle material that are filled into the mold cavity can comprise introducing a temperature-controlled process fluid into the second partial volume of the mold cavity, in particular via openings on the mold (body) wall side and/or the mold element side.
  • the control device configured to control movements of the at least one mold element can further be configured to move the at least one mold element from the further or third orientation and/or position to the first orientation and/or position when the measure for bonding the plastic particles from the second plastic particle material has been completed.
  • the control device is correspondingly configured to generate control information for controlling the operation of at least one drive device assigned to the at least one mold element in order to move the at least one mold element from the further or third orientation and/or position to the first orientation and/or position.
  • the drive device can be operated accordingly based on the control information.
  • a further or third partial volume of the mold cavity which can be filled with plastic particles from a further or second plastic particle material, is delimited or defined by the first mold part and/or the second mold part and/or the mold (body) wall and/or the at least one mold element moved into the further or third orientation and/or position.
  • the control device configured to control filling processes of the mold cavity can be configured to carry out a filling process of the further or third partial volume of the mold cavity with plastic particles made of a further or third plastic particle material that differs from the first plastic particle material and/or the second plastic particle material in at least one chemical parameter and/or physical parameter via a filling device, in particular via a further or third filling device for filling the mold cavity, i.e. in particular the further or third partial volume of the mold cavity, with plastic particles made of a further or third plastic particle material that differs from the first plastic particle material and/or the second plastic particle material in at least one chemical parameter and/or physical parameter, when the at least one mold element is moved into the first orientation and/or position.
  • the control device is accordingly configured to generate control information for controlling the operation of at least one filling device associated with the molding tool, in particular a further or third filling device, in order to carry out filling processes of the molding tool cavity, ie in particular of the further or third partial volume of the Mold cavity, with plastic particles made of a further or third plastic particle material that differs from the first plastic particle material and/or the second plastic particle material in at least one chemical parameter and/or physical parameter.
  • the filling device can be operated accordingly based on the control information.
  • the control device configured to control measures for connecting plastic particles filled into the mold cavity can be configured to carry out at least one measure for connecting the plastic particles filled into the further or third partial volume from the further or third plastic particle material to form a further or third molded part formed from the further or third plastic particle material, if the further or third partial volume of the mold cavity is filled with plastic particles from the further or third plastic particle material.
  • Carrying out the measure for connecting the plastic particles from the further or third plastic particle material thus results in the formation of a further or third molded part consisting of the further or third plastic particle material, which occupies a partial volume of the mold cavity.
  • the further or third molded part can be connected to the first molded part and/or the second molded part, in particular in a form-fitting, force-fitting, and/or material-fitting manner, to form the multi-component particle foam component to be produced.
  • the measure for connecting plastic particles made of the further or third plastic particle material that are filled into the mold cavity can comprise introducing a temperature-controlled process fluid into the further or third partial volume of the mold cavity, in particular via openings on the mold (body) wall side and/or the mold element side.
  • a hardware and/or software-implemented control device for controlling measures for evacuating and/or cooling the mold cavity can be assigned to the mold.
  • the control device is configured to perform a measure for evacuating and/or cooling the mold cavity via a device for evacuating and/or cooling the mold cavity when the measure for bonding plastic particles made of the further or third plastic particle material that have been filled into the mold cavity has been completed.
  • the geometric design of the at least one mold element is typically selected depending on the application.
  • more complex geometric designs such as spiral or helical designs, are also conceivable.
  • free-form designs that are not clearly defined geometrically are also conceivable.
  • all embodiments are characterized by the fact that the at least one mold element is typically mounted in a receptacle or bearing on the mold side.
  • the mold can thus be equipped with at least one receiving or bearing section, e.g., in the form of a bore—in concrete terms, this can be, for example, a bearing bore, into which a corresponding mold element can be inserted, in particular with a precise fit.
  • control devices can be hardware and/or software components of a higher-level control device, in particular a higher-level control device for controlling the operation of the molding tool.
  • detection devices can be hardware and/or software components of a higher-level detection device.
  • the molding tool can comprise a plurality of molding tool elements that are movably mounted between a first orientation and/or position and at least one further orientation and/or position. At least two molding tool elements, in their respective further orientations and/or positions, can extend parallel or non-parallel to one another into the molding tool cavity. Thus, at least two molding tool elements, in their respective further orientations and/or positions, can extend from the same or different molding tool (body) walls into the molding tool cavity.
  • a second aspect of the invention relates to a mold element for a mold according to the first aspect of the invention.
  • the mold element which is typically slide-like or shaped, is movably mounted between a first orientation and/or position and at least one further orientation and/or position, and is formed with or comprises at least one flow channel structure extending within the mold element and through which a process fluid can flow.
  • a third aspect of the invention relates to a device, which may also be referred to as a molding machine, for processing expandable or expanded plastic particles to produce a multi-component particle foam component.
  • the device comprises at least one molding tool according to the first aspect of the invention, at least one filling device for filling the mold cavity of the mold with plastic particles made of a plastic particle material, at least one drive device for generating a drive force and/or a drive torque, via which the at least one mold element can be moved into respective orientations and/or positions. and at least one process fluid supply device for supplying the mold cavity with a process fluid.
  • a fourth aspect of the invention relates to a method for processing expandable or expanded plastic particles to produce a multi-component particle foam component.
  • a mold according to the first aspect of the invention and/or a mold element according to the second aspect of the invention and/or a device according to the third aspect of the invention is used.
  • the method includes in particular the movements of the at least one molding tool element explained in connection with the operation of the molding tool for producing a multi-component particle foam component, the filling processes of respective partial volumes of the molding tool cavity produced by corresponding movements of the at least one molding tool element, the connecting processes of respective plastic particles filled into respective partial volumes of the molding tool cavity.
  • the Fig. 1 - 6 each a schematic representation of a molding tool 1 according to a first embodiment.
  • the molding tool 1 is designed to process expandable or expanded plastic particles (“plastic particles”) from an expandable or expanded plastic particle material (“plastic particle material”) to produce a multi-component particle foam component.
  • the molding tool 1 is thus designed to process plastic particles from particle foam materials that differ in at least one chemical parameter and/or physical parameter in order to produce a multi-component particle foam component.
  • a corresponding multi-component particle foam component thus has a first molded part formed first particle foam component region and at least one further particle foam component region formed by at least one further molded part, wherein the first region differs from the at least one further region in at least one chemical parameter and/or physical parameter.
  • the plastic particles that can be processed using the mold can be unexpanded plastic particles, pre-expanded plastic particles, or fully expanded plastic particles made from one or more plastic particle materials.
  • Both unexpanded and pre-expanded plastic particles are typically expandable, i.e., they can be (further) expanded in an expansion process, e.g., thermally induced by a temperature-controlled process fluid.
  • the bonding of the plastic particles during processing to form the particle foam component is typically accompanied by a corresponding (further) expansion process of the plastic particles.
  • Fully expanded plastic particles can typically no longer be (further) expanded.
  • the bonding of the plastic particles during processing to form the particle foam component is typically not accompanied by a corresponding (further) expansion process of the plastic particles.
  • the corresponding plastic particles may be, for example, plastic particles made of a plastic particle material based on polyolefins, i.e. in particular polypropylene, based on thermoplastic elastomers, i.e. in particular thermoplastic polyurethane, or based on polystyrene.
  • the plastic particles that can be processed by means of the molding tool 1 are typically not bonded to one another prior to their processing; the plastic particles that can be processed by means of the molding tool 1 are therefore typically present as loose particles prior to their processing, i.e., for example, as a particulate bulk material, and are accordingly introduced into the molding tool 1 as loose particles via at least one filling device 2, 3, 4 of the molding tool 1.
  • the molding tool 1 is designed in several parts in the figures and comprises, for example, two molding tool bodies 5, 6, which may also be referred to or considered as mold halves.
  • the molding tool body 5 on the left in the figures has, at least in a sectional view, a U-shaped geometric design, while the molding tool body 6 on the right in the figures has, at least in a sectional view, a plate-shaped geometric design.
  • the molding tool bodies 5, 6 are typically mounted so as to be movable relative to one another between an open position and the closed position shown in the figures.
  • the mold 1 or the mold bodies 5, 6 comprise or comprise unspecified mold (body) walls which delimit or define the mold cavity 7 of the mold 1.
  • the mold bodies 5, 6 are each provided with a plurality of openings 8, in particular bore-like or -shaped or nozzle-like or -shaped.
  • a process fluid such as steam or superheated steam, can be introduced into the mold cavity 7 via the openings 8 – these can specifically be designed, for example, to be slot-like or -shaped.
  • a specific pressure level such as an overpressure or underpressure, can be generated or maintained in the mold cavity 7 via corresponding openings 8.
  • the mold cavity 7, ie in particular certain partial volumes TV1 - TV3 of the mold cavity 7, can be successively filled via the already mentioned filling devices 2 - 4 with plastic particles to be processed by means of the mold 1, made of plastic particle materials differing in at least one chemical parameter and/or physical parameter.
  • the mold 1 is assigned several filling devices 2 - 4, via which plastic particles made of plastic particle materials differing in at least one chemical parameter and/or physical parameter can be filled into the mold cavity 7.
  • plastic particles made of a first plastic particle material can be or are filled into the mold cavity 7 via a first filling device 2
  • further plastic particles made of a further or second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter can be or are filled into the mold cavity 7 via a second filling device 3.
  • the filling devices 2-4 can be configured to generate a conveying flow, in particular a pressurized flow, by means of which the plastic particles to be filled into the mold cavity 7 can be conveyed into the mold cavity 7.
  • the filling devices 2-4 can comprise a flow generation device 2.1, 3.1, 4.1 for generating a corresponding conveying flow and a conveying element 2.2, 3.2, 4.2, in particular a tubular or tube-shaped element, which delimits or defines a conveying path opening into the mold cavity 7.
  • Differently configured filling devices 2-4 are conceivable. In this context, reference is made purely by way of example to filling devices 2-4 which enable a (largely) pressureless conveying of plastic particles and thus a (largely) pressureless filling of the mold cavity 7.
  • the molding tool 1 comprises a slide-like or -shaped molding tool element 9.
  • a first functionality of the mold element 9 is to occupy at least a partial volume of the mold cavity 7 and to release it as needed.
  • the mold element 9 can be turned into a Fig. 1 first alignment and/or position shown in dashed lines and into a Fig. 1 shown further or second orientation and/or position.
  • the molding tool element 9 is thus movably mounted between a first orientation and/or position and at least one further or second orientation and/or position different from the first orientation and/or position.
  • the molding tool element 9 is - as indicated purely schematically by the double arrow P1 - movably mounted in at least one translational and/or rotational degree of freedom of movement and can be transferred accordingly by movements along at least one translational and/or rotational movement path - combined movement paths in at least two different degrees of freedom of movement are also conceivable - into the first orientation and/or position and into the further or second orientation and/or position.
  • Concrete examples of corresponding degrees of freedom of movement or movement paths are, as in the exemplary embodiment according to the Fig. 1 - 6 shown as an example, linear degrees of freedom of movement or movement paths along a linear movement axis.
  • the mold element 9 does not protrude into the mold cavity 7 in the first orientation and/or position, but protrudes into the mold cavity 7 by a certain amount in the further or second orientation and/or position.
  • the mold element 9 is therefore moved into the mold cavity 7 by a certain distance in the further or second orientation and/or position compared to the first orientation and/or position.
  • the first orientation and/or position of the mold element 9 is therefore correlated with a retracted state of the mold element 9, and the further or second orientation and/or position of the mold element 9 is correlated with an extended state of the mold element 9.
  • the mold element 9, in particular with a free end facing the mold cavity 7 can thus end flush with a mold (body) wall delimiting the mold cavity 7.
  • the mold element 9 can protrude into the mold cavity 7 by a certain amount compared to the first orientation and/or position and thus also over the corresponding mold (body) wall into the mold cavity 7, so that the mold element 9 occupies a partial volume of the mold cavity 7 in the further or second orientation and/or position.
  • the molding tool element 9 can be moved in the first orientation and/or position by a first dimension into the mold cavity 7, wherein in the further or second orientation and/or position it protrudes into the mold cavity 7 by a further amount that is different from the first amount.
  • the mold element 9 is therefore moved in the first orientation and/or position by a specific first distance into the mold cavity 7 and in the further or second orientation and/or position by a specific further distance into the mold cavity 7 compared to the first orientation and/or position.
  • the first orientation and/or position of the mold element 9 can also be correlated here with a (further) retracted state of the mold element 9 and the further or second orientation and/or position of the mold element 9 with a (further) extended state of the mold element 7.
  • the mold element 9, in particular with a free end facing the mold cavity 7 can protrude by a first amount into the mold cavity 7 and thus also by a first amount over a mold (body) wall into the mold cavity 7, so that the mold element 9 occupies a first partial volume of the mold cavity 7 in the first orientation and/or position.
  • the mold element 9 can protrude by a further or second amount into the mold cavity 7 compared to the first orientation and/or position and thus also by a further amount over the corresponding mold (body) wall into the mold cavity 7, so that the mold element 9 occupies a further partial volume of the mold cavity 7 in the further or second orientation and/or position.
  • a drive device 10 is assigned to the molding tool element 9.
  • the drive device 10 is designed to generate a drive force and/or a drive torque, by means of which the molding tool element 9 can be moved into respective orientations and/or positions.
  • the drive device 10 can be, for example, a hydraulic or pneumatic drive device.
  • the drive device 10 can thus comprise at least one hydraulic or pneumatic drive element (not shown) which is or can be coupled to the molding tool element 9.
  • the drive device 10 can be an (electric)motor drive device.
  • a corresponding drive device can comprise at least one (electric)motor drive element which is or can be coupled to the molding tool element 9.
  • a second functionality of the molding tool element 9 is to introduce a process fluid, such as steam or superheated steam, into the mold cavity 7 as needed during operation of the molding tool 1.
  • the molding tool element 9 is designed with or comprises a flow channel structure 11 extending within the molding tool element 9 and through which a process fluid can flow.
  • a corresponding flow channel 11.1 thus extends in at least one spatial direction and/or spatial plane between an inflow opening 11.2, via which a process fluid is introduced into the flow channel 11.1 or into the flow channel structure 11 can flow in, and at least one outflow opening 11.3, via which a process fluid can flow out of the flow channel 11.1 or from the flow channel structure 11 into the mold cavity 7, through the mold element 9.
  • the mold element 9 is thus provided with one or - as shown in the Fig. 1 - 6 shown - a plurality of, in particular nozzle-like or nozzle-shaped, outflow openings 11.3, via which a process fluid flowing through the flow channel 11.1 or the flow channel structure 11 can flow out of the mold element 9 into the mold cavity 7, is formed or comprises such.
  • the molding tool element 9 it is possible for the molding tool element 9 to be provided with a plurality of outflow openings 11.3 arranged or formed so as to extend over the entire cross-section, such that an outflow of a process fluid is possible over the entire cross-section of the molding tool element 9. It is also conceivable for different outflow regions to be defined, through which a process fluid can flow out independently or independently of one another.
  • a first flow channel 11.1 is assigned to a first number of outflow openings 11.3 - these can, for example, form a first array of outflow openings 11.3 - so that a first process fluid flowing through the first flow channel 11.1 can flow out into the molding tool cavity 7 via the first number of outflow openings 11.3, and at least one further number of outflow openings 11.3 - these can, for example, form a first array of outflow openings 11.3.
  • B. form a further array of outflow openings 11.3 - at least one further flow channel 11.n is assigned, so that a further process fluid flowing through the at least one further flow channel 11.n can flow out into the mold cavity 7 via the further number of outflow openings 11.3.
  • a corresponding first process fluid can differ from a corresponding further process fluid in at least one chemical parameter, such as the chemical composition, and/or physical parameters, such as the pressure, the temperature, etc.
  • the flow channel structure 11 can - as in the Fig. 1 - 6 schematically indicated - comprise a lattice structure comprising a plurality of structural elements (not designated) arranged or formed in a lattice-like or grid-like manner. Corresponding structural elements can, for example, be strut-like or shaped.
  • the lattice structure can define a plurality of communicating subspaces.
  • the lattice structure can be designed to extend through the mold element 9 in at least one spatial plane and/or spatial direction and therefore typically occupies a certain spatial volume of the mold element 9.
  • the lattice structure can be arranged or formed in particular in the region of a free end of the mold element 9 facing the mold cavity 7 and can communicate with outflow openings 11.3 arranged or formed, in particular in the region of a free end facing the mold cavity 7.
  • the lattice structure can be arranged or formed to extend at least partially, in particular completely, across the cross section of the mold element 9 and can thus be used as a distributor structure for distributing a Process fluids across the cross-section of the mold element 9.
  • the lattice structure can be formed or manufactured in particular using an additive manufacturing process.
  • the flow channel structure 11 can be connected or connectable to a dedicated process fluid supply device 13, in particular one that can be operated independently of a process fluid supply device 12 of the mold cavity 7—this can be, for example, a steam chamber.
  • a dedicated process fluid supply device 13 in particular one that can be operated independently of a process fluid supply device 12 of the mold cavity 7—this can be, for example, a steam chamber.
  • the mold element can - as shown in the Fig. 1, 2 shown - have a receiving area 14 for receiving a free end of a filling device 3 projecting into the mold cavity for filling the mold cavity 7 with plastic particles made of a further or second plastic particle material that differs from a first plastic particle material in at least one chemical parameter and/or physical parameter.
  • the receiving area 14 can be formed, for example, by a recess or depression in the mold element 9, ie, in particular in a free end of the mold element 9 facing the mold cavity 7.
  • the receiving area 14 is designed to cooperate with a free end of a tubular or tubular conveying element 3.2 of the filling device 3, which protrudes into the mold cavity 7, in such a way that the free end of the conveying element 3.2, which is typically provided with at least one opening for the outflow of plastic particles, dips sealingly into the receiving area 14, thus the mold element 9 sealingly encloses the at least one opening at least in sections.
  • This cooperation is - as in the Fig. 1, 2 shown - particularly realized when the molding tool element 9 is moved into the further or second orientation and/or position. The same could be realized by a sealing contact of the conveying element 3.2 against a molding tool element 9.
  • a device 16 for producing two-component particle foam components is shown, which is located above the molding tool 1.
  • the device 1 also includes the filling devices 2-4, the drive device 10, and the process fluid supply devices 12 and 13.
  • the molding tool 1 is assigned a control device 15 implemented in hardware and/or software, which is designed to control the operation of the molding tool 1 or the device 16 comprising the molding tool 1.
  • the control device 15 is configured to control movements of the molding tool element 9 from the first orientation and/or position into the at least one further or second orientation and/or position, and vice versa.
  • the control device 15 is configured, in particular, to generate control information for controlling the operation of the drive device 10 assigned to the molding tool element 9 in order to move the molding tool element 9 into the further or second orientation and/or position.
  • the drive device 10 can be operated accordingly on the basis of the control information.
  • the control device 15 can - as in Fig. 1 shown - be configured in particular to move the molding tool element 9 into the further or second orientation and/or position before filling the molding tool cavity 7 with plastic particles made of a first plastic particle material.
  • a first partial volume TV1 of the molding tool cavity 7, which can be filled with plastic particles made of a first plastic particle material via the first filling device 2 is delimited or defined by the molding tool (body) walls and the molding tool element 9 moved into the further or second orientation and/or position.
  • the first partial volume TV1 of the molding tool cavity 7, which can be filled with plastic particles made of the first plastic particle material is reduced by a first amount compared to the volume of the molding tool cavity that can be filled with plastic particle material in the first orientation and/or position of the molding tool element.
  • the control device 15 can further be configured to control filling processes of the first partial volume TV1 of the mold cavity 1 with plastic particles made of a first plastic particle material.
  • the control device 15 is configured, in particular, to generate control information for controlling the operation of the first filling device 2 for filling the first partial volume TV1 of the mold cavity 7 with plastic particles made of a first plastic particle material in order to fill the first partial volume TV1 of the mold cavity with plastic particles made of the first plastic particle material.
  • the first filling device 2 can be operated accordingly on the basis of the control information.
  • the control device 15 can, in particular, be configured to carry out a filling process of the first partial volume TV1 of the mold cavity 7 with plastic particles made of a first plastic particle material via the first filling device 2 when the mold element 9 - as in Fig. 1 shown - is moved into the further or second orientation and/or position.
  • the control device 15 can - as in the Fig. 2 shown - further be configured to control measures for connecting the plastic particles made of the first plastic particle material that are filled into the mold cavity 7.
  • the control device 15 can in particular be configured to carry out at least one measure for connecting the plastic particles made of the first plastic particle material that are filled into the first partial volume TV1 of the mold cavity 7, forming a first molded part FT1 formed from the first plastic particle material, when the first partial volume TV1 of the Mold cavity 7 is filled with plastic particles made of the first plastic particle material. Carrying out the measure for bonding the plastic particles made of the first plastic particle material thus results in the formation of a first molded part consisting of the first plastic particle material, which occupies the first partial volume TV1 of the mold cavity 7.
  • the measure for connecting the plastic particles filled into the first TV1 of the mold cavity 7 from the first plastic particle material can - as in Fig. 2 indicated by the curved lines - an introduction of a temperature-controlled process fluid, in particular steam, into the first partial volume TV1 of the mold cavity 7, in particular via the openings 8 on the mold (body) wall side and/or via the outflow openings 11.3 on the mold element side.
  • the control device 15 can thus be configured to control the introduction of at least one temperature-controlled process fluid into the first partial volume TV1 of the mold cavity 7.
  • the process fluid can be or will be provided via the process fluid supply device 12.
  • the process fluid can be or will be provided via the process fluid supply device 13 (optional).
  • the measure it is possible for the measure to be carried out by introducing a process fluid only via the openings 8 on the mold (body) wall side.
  • the detection of the or a sufficient filling level of the first partial volume TV1 of the mold cavity 7 with plastic particles made of the first plastic particle material, possibly e.g., with regard to the desired properties of a multi-component particle foam component to be produced, can be realized via a suitable detection device (not shown) for detecting the filling level of the mold cavity 7, i.e., in particular of the first partial volume TV1 of the mold cavity 7.
  • a corresponding detection device can comprise one or more detection elements, these can be, for example, pressure sensors, the detection information of which can be transmitted to the control device 15.
  • the control device 15 can - as in Fig. 3 shown - be further configured to move the molding tool element 9 from the further or second orientation and/or position back into the first orientation and/or position when the measure for bonding the plastic particles from the first plastic particle material has been completed.
  • the control device 15 can in particular be configured to generate control information for controlling the operation of the drive device 10 assigned to the molding tool element 9 in order to move the molding tool element 9 from the further or second orientation and/or position back into the first orientation and/or position.
  • the drive device 10 can be operated accordingly on the basis of the control information.
  • the detection of the completion of the step for bonding the plastic particles from the first plastic particle material can be realized via a suitable detection device (not shown) for detecting the completion of the step for bonding the plastic particles from the first plastic particle material.
  • a corresponding detection device can comprise one or more detection elements, which can be pressure sensors, for example, whose detection information can be transmitted to the control device 15.
  • the control device 15 can - as in Fig. 4 shown - be configured to carry out a filling process of the second partial volume TV2 of the mold cavity 7 with plastic particles from a further or second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter via the second filling device 3 for filling the mold cavity 7 with plastic particles from a further or second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter, when the mold element 9 - as in Fig. 4 shown - is moved into the first orientation and/or position.
  • the control device 15 is in particular configured to generate control information for controlling the operation of the second filling device 3 in order to fill the second partial volume 7 of the mold cavity 7 with plastic particles made of the second plastic particle material.
  • the second filling device 3 can be or be operated accordingly on the basis of the control information.
  • the second filling device 3 can be or be operated accordingly on the basis of the control information.
  • the detection of the movement of the molding tool element 9 into the first orientation and/or position can be realized via a suitable detection device (not shown) for detecting movements of the molding tool element 9 into the first orientation and/or position.
  • a corresponding detection device can comprise one or more detection elements, which can be, for example, displacement sensors, whose detection information can be transmitted to the control device.
  • the control device 15 can - as in Fig. 5 shown - be configured to carry out at least one measure for connecting the plastic particles made of the further or second plastic particle material and filled into the second partial volume TV2 of the mold cavity 7, thereby forming a second molded part FT2 formed from the further or second plastic particle material, when the second partial volume TV2 of the mold cavity 7 is filled with plastic particles made of the further or second plastic particle material.
  • the implementation of the measure for connecting the plastic particles made of the further or second plastic particle material thus results in the formation of a second molded part FT2 consisting of the further or second plastic particle material, which second molded part FT2 occupies the second partial volume TV2 of the mold cavity 7.
  • the second molded part FT2 can be connected to the first molded part FT1, in particular in a form-fitting, force-fitting, and/or material-fitting manner, to form the multi-component particle foam component to be produced.
  • the measure for connecting plastic particles filled into the second partial volume TV2 of the mold cavity 7 from the further or second plastic particle material can - as in Fig. 5 indicated by the curved lines - an introduction of a temperature-controlled process fluid into the further or second partial volume TV2 of the mold cavity 7 via openings 8 on the mold (body) wall side and/or outflow openings 11.3 on the mold element side.
  • the process fluid can be or will be provided via the process fluid supply device 12.
  • the process fluid can be or will be provided via the process fluid supply device 13.
  • the detection of the or a sufficient filling level of the second partial volume TV2 of the mold cavity 7 with plastic particles from the further or second plastic particle material, possibly e.g. with regard to the desired properties of a multi-component particle foam component to be produced, can be realized via a suitable detection device (not shown) for detecting the filling level of the mold cavity, i.e., in particular of the second partial volume TV2 of the mold cavity.
  • a corresponding detection device can comprise one or more detection elements, these can be, for example, pressure sensors, whose detection information can be transmitted to the control device 15.
  • the control device 15 can - as in Fig. 6 shown - further be assigned to control measures for evacuating and/or cooling the mold cavity 7.
  • the control device 7 can be configured to carry out a measure for evacuating and/or cooling the mold cavity 7 via a device not shown in more detail for evacuating and/or cooling the mold cavity 7 when the measure for connecting the plastic particles filled into the mold cavity 7 from the further or second plastic particle material has been completed.
  • the evacuation and/or cooling of the mold cavity 7 can - as in Fig. 6 indicated by the curved lines - e.g. via individual, several or all of the mold (body) wall-side openings 8 and/or mold element-side outflow openings 11.3.
  • the detection of the completion of the step for bonding the plastic particles from the additional or second plastic particle material can be realized via a suitable detection device (not shown) for detecting the completion of the step for bonding the plastic particles from the additional or second plastic particle material.
  • a corresponding detection device can comprise one or more detection elements, which can be pressure sensors, for example, whose detection information can be transmitted to the control device 15.
  • the multi-component particle foam component can be removed from the mold cavity 7.
  • the mold 1 here has, in comparison to the one shown in the Fig. 1 - 6
  • the mold 1 shown has three filling devices 2 - 4, via which plastic particles made of a specific plastic particle material can be filled into the mold cavity 7.
  • a first partial volume TV1 of the mold cavity 7 is limited or defined by moving the mold element 9 into the second orientation and/or position, the first partial volume TV1 of the mold cavity 7 is filled with plastic particles made of a first plastic particle material via the first filling device 2 and a measure for connecting the plastic particles made of the first plastic particle material to form a first molded part FT1 is carried out.
  • the control device 15 is - as in Fig. 9 shown - however, compared to the one in the Fig. 1 - 6
  • the control device 15 is additionally configured to move the molding tool element 9 from the second orientation and/or position into a third orientation and/or position when the measure for connecting the plastic particles from the first plastic particle material, as described above, has been completed.
  • the control device 15 is in particular configured to generate control information for controlling the operation of the drive device 10 in order to move the molding tool element 9 into the third orientation and/or position.
  • the drive device 10 can be operated accordingly on the basis of the control information.
  • a second partial volume TV2 of the molding tool cavity 7, which can be filled with plastic particles from a second plastic particle material via the second filling device 3, is delimited or defined by the first mold part FT1 and/or the mold (body) wall and/or the at least one molding tool element 9 moved into the third orientation and/or position.
  • the control device 15 is - as in Fig. 10 shown - configured to carry out a filling process of the second partial volume TV2 of the mold cavity 7 with plastic particles made of a second plastic particle material that differs from the first plastic particle material in at least one chemical parameter and/or physical parameter via the second filling device 3 for filling the second partial volume TV2 of the mold cavity 7 when the mold element 9 is moved into the second orientation and/or position.
  • the control device 15 is in particular configured to generate control information for controlling the operation of the second filling device 3 in order to fill the second partial volume TV2 of the mold cavity 7 with plastic particles made of the second plastic particle material.
  • the second filling device 3 can be operated accordingly on the basis of the control information.
  • the control device 15 is - as in Fig. 11 shown - configured to carry out at least one measure for connecting the plastic particles made of the second plastic particle material and filled into the second partial volume TV2 of the mold cavity 7, forming a second molded part FT2 formed from the second plastic particle material, when the second partial volume TV2 of the mold cavity 7 is filled with plastic particles made of the second plastic particle material.
  • Carrying out the measure for connecting the plastic particles made of the second plastic particle material thus results in the formation of a second molded part FT2 consisting of the second plastic particle material, which second molded part FT2 occupies a partial volume of the mold cavity 7.
  • the second molded part FT2 can be connected to the first molded part FT1, in particular in a form-fitting, force-fitting and/or material-fitting manner.
  • the measure for connecting plastic particles made of the second plastic particle material filled into the mold cavity 7 can - as in Fig. 11 Indicated by the curved lines, the measure may include introducing a temperature-controlled process fluid into the second partial volume TV2 of the mold cavity 7 via openings 8 on the mold (body) wall side and/or outflow openings 11.3 on the mold element side. In particular, it is possible for the measure to be carried out by introducing a process fluid only via the outflow openings 11.3 on the mold element side.
  • the control device 15 is - as in Fig. 12 shown - further configured to move the molding tool element 9 from the third orientation and/or position into the first orientation and/or position when the measure for bonding the plastic particles from the second plastic particle material is completed.
  • the control device 15 is in particular configured to generate control information for controlling the drive device 10 assigned to the molding tool element 9 in order to move the molding tool element 9 from the third orientation and/or position into the first orientation and/or position.
  • the drive device 10 can be operated accordingly on the basis of the control information.
  • first mold part FT1 and/or the second mold part FT2 and/or the A third partial volume TV3 of the mold cavity 7 which can be filled with plastic particles made of a third plastic particle material is delimited or defined by the mold (body) wall and/or the mold element 9 moved into the third orientation and/or position.
  • the control device 15 can - as in Fig. 13 shown - be configured to carry out a filling process of the third partial volume TV3 of the mold cavity 7 with plastic particles made of a third plastic particle material that differs from the first plastic particle material and/or the second plastic particle material in at least one chemical parameter and/or physical parameter via the third filling device 4 for filling the third partial volume TV3 of the mold cavity 7 with plastic particles made of the third plastic particle material when the mold element 9 is moved into the first orientation and/or position.
  • the control device 15 is in particular configured to generate control information for controlling the operation of the third filling device 4 in order to fill the third partial volume TV3 with plastic particles made of the third plastic particle material.
  • the third filling device 4 can be or be operated accordingly on the basis of the control information.
  • the control device 15 is - as in Fig. 14 shown - configured to carry out at least one measure for connecting the plastic particles made of the third plastic particle material and filled into the third partial volume TV3 of the mold cavity 7, forming a third molded part FT3 formed from the third plastic particle material, when the third partial volume TV3 of the mold cavity 7 is filled with plastic particles made of the third plastic particle material.
  • Carrying out the measure for connecting the plastic particles made of the third plastic particle material thus results in the formation of a third molded part FT3 consisting of the third plastic particle material, which third molded part FT3 occupies a partial volume of the mold cavity 7.
  • the third molded part FT3 can be connected, in particular in a form-fitting, force-fitting and/or material-fitting manner, to the first molded part FT1 and/or the second molded part FT2, forming the multi-component particle foam component to be produced.
  • the measure for connecting plastic particles made of the third plastic particle material filled into the mold cavity 7 can - as in Fig. 14 Indicated by the curved lines, the measure may include introducing a temperature-controlled process fluid into the third partial volume TV3 of the mold cavity 7 via openings 8 on the mold (body) wall side and/or outflow openings 11.3 on the mold element side. In particular, it is possible for the measure to be carried out by introducing a process fluid only via the outflow openings 11.3 on the mold element side.
  • the control device 15 can - as in Fig. 15 shown - further be configured to control measures for evacuating and/or cooling the mold cavity 7.
  • the control device 15 is in particular configured to control a measure for evacuating and/or cooling the mold cavity 7 via a device for evacuating and/or Cooling of the mold cavity 7 when the measure for bonding plastic particles made of the third plastic particle material filled into the mold cavity 7 is completed.
  • the evacuation and/or cooling of the mold cavity 7 can - as in Fig. 15 indicated by the curved lines - e.g. via individual, several or all of the mold (body) wall-side openings 8 and/or mold element-side outflow openings 11.3.
  • the multi-component particle foam component can be removed from the mold cavity 7.
  • Fig. 16 shows a schematic diagram of a molding tool 1 according to a further embodiment.
  • the molding tool 1 can also comprise a plurality of corresponding molding tool elements 9.
  • at least two molding tool elements 9 can extend in their respective further orientations and/or positions from the same or different molding tool (body) walls into the molding tool cavity 7.
  • Corresponding molding tool elements 9 can in their respective further orientations and/or positions, as shown by way of example in Fig. 16 shown, extend non-parallel or parallel to each other into the mold cavity 7.
  • the Fig. 16 The configuration of the molding tool 1 shown is to be understood purely as an example; in principle, at least one corresponding molding tool element 9 can be assigned to each molding tool body 5, 6 or each molding tool (body) wall.
  • the respective molding tool elements 9 are typically mounted in a receptacle or bearing (not shown) located on the mold body side.
  • the molding tool 1 can thus be equipped with, for example, bore-like or bore-shaped receptacle or bearing sections—specifically, these can be, for example, bearing bores, into which a corresponding molding tool element 9 can be inserted, in particular typically with a precise fit.
  • closing devices can be provided on the part of the mold element 9 or on the part of the mold 1, i.e. in particular on the part of the mold body 6, which, as shown by way of example in the figures, prevent plastic particles from getting into the respective recesses 14 on the mold element side.
  • the respective particle foam component is formed by or comprises the respective molded parts FT1 - F3.
  • a method for processing expandable or expanded plastic particles to produce a multi-component particle foam component can be implemented.
  • the method includes in particular the movements of the molding tool element 9 explained in connection with the operation of the molding tool 1, the filling processes of respective partial volumes TV1 - TV3 of the molding tool cavity 7 generated by corresponding movements of the molding tool element 9 and the connecting processes of respective plastic particles filled into respective partial volumes TV1 - TV3 of the molding tool cavity 7.

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (14)

  1. Outil de formage (1) pour le traitement de particules de plastique expansibles ou expansées en vue de la fabrication d'un composant en mousse à particules multicomposants, comprenant une cavité d'outil limitée par les parois de l'outil de formage (7),
    wenigstens ein, insbesondere schieberartiges oder -förmiges, Formwerkzeugelement (9), wobei
    au moins un élément d'outil de moulage (9) entre une première orientation et/ou position et au moins une autre orientation et/ou position dans laquelle il s'avance au moins par sections dans la cavité de l'outil de moulage (7), et
    dont au moins un élément d'outillage de moule (9) est constitué ou comprend une structure de canal d'écoulement (11) s'étendant à l'intérieur de l'élément d'outillage de moule (9) et traversant un fluide de processus (11.1), caractérisée en ce que la structure de canal d'écoulement (11) est reliée ou reliée à un dispositif d'alimentation en fluide de processus (12) distinct, utilisable indépendamment, notamment, d'un dispositif d'alimentation en fluide de processus (13) de la cavité d'outillage de moule (7).
  2. Outil de moulage selon la revendication 1, caractérisé en ce qu'au moins un élément d'outil de moulage (9), en particulier au moins une structure de canal d'écoulement (11), au moins par section, le cas échéant complètement, est formé dans un procédé de fabrication additive.
  3. Outil de formage selon la revendication 1 ou 2, caractérisé en ce que la structure du canal d'écoulement (11) comprend une structure de grille complète, disposée ou formée par plusieurs éléments de structure en forme ou en forme de grille.
  4. Outil de formage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un élément d'outil de formage (9) est formé avec au moins un orifice d'écoulement (11.3), en particulier en forme de buse ou en forme de buse, ou en ce qu'il comprend un orifice d'écoulement (11.3) par lequel un fluide de processus s'écoulant à travers la structure du canal d'écoulement (11) peut s'écouler d'au moins un élément d'outil de formage (9) dans la cavité de l'outil de formage (7).
  5. Outil de formage selon l'une quelconque des revendications précédentes, caractérisé par un dispositif de commande (15) destiné à contrôler les mouvements d'au moins un élément d'outil de formage (9) de la première orientation et/ou position vers au moins une autre orientation et/ou position, et vice versa, dans lequel le dispositif de commande (15) est installé pour déplacer au moins un élément d'outil de formage (9) avant de remplir la cavité de l'outil de formage (7) avec des particules en plastique d'un premier matériau particulaire en plastique dans la deuxième orientation et/ou position, en particulier de telle sorte que le ou les parois de l'outil de formage et au moins un élément d'outil de formage (9) déplacé vers l'autre orientation et/ou position limitent ou définissent un premier volume partiel (TV1) de la cavité de l'outil de formage (7) pouvant être rempli de particules en plastique d'un premier matériau particulaire en plastique.
  6. Outil de formage selon la revendication 5, caractérisé en un dispositif de commande (15) pour commander des opérations de remplissage de la cavité de l'outil de formage (7) avec des particules de plastique, dans lequel le dispositif de commande est configuré pour effectuer un remplissage du premier volume partiel (TV1) de la cavité de l'outil de formage (7) avec des particules de plastique d'un premier matériau de particules de plastique via un dispositif de remplissage (2 - 4), en particulier via un premier dispositif de remplissage (2), si au moins un élément d'outil de formage (9) est déplacé vers l'orientation et/ou la position ultérieures.
  7. Outil de moulage selon la revendication 5 ou 6, caractérisé en un dispositif de commande pour la commande de mesures pour l'assemblage de particules de plastique chargées dans la cavité de l'outil de moulage (7), dans lequel le dispositif de commande est configuré pour effectuer au moins une mesure pour l'assemblage des particules de plastique du premier matériau de particules de plastique chargées dans le premier volume partiel (TV1) de la cavité de l'outil de moulage (7), en formant un premier moule (FT1) formé à partir du premier matériau de particules de plastique, lorsque le premier volume partiel (TV1) de la cavité de l'outil de moulage (7) est rempli de particules de plastique du premier matériau de particules de plastique.
  8. Outil de formage selon la revendication 7, caractérisé en ce que la mesure d'assemblage de particules de plastique remplies dans la cavité de l'outil de formage (7) à partir du premier matériau de particules de plastique comprend l'introduction d'un fluide de processus tempéré, en particulier de la vapeur, dans le premier volume partiel (TV1) de la cavité de l'outil de formage (7), en particulier via des ouvertures latérales de section de paroi (8) et/ou des ouvertures d'écoulement latérales d'élément de moule (11.3).
  9. Outil de formage selon l'une quelconque des revendications 5 à 8, caractérisé en ce que le dispositif de commande (15) mis en place pour contrôler les mouvements d'au moins un élément d'outil de formage (9) est conçu pour déplacer au moins un élément d'outil de formage (9) de l'orientation et/ou de la position ultérieures vers la première orientation et/ou la première position lorsque la mesure de liaison des particules plastiques du premier matériau particulaire plastique est achevée, en particulier de telle sorte que le premier élément de formage (FT1) et/ou les parois de l'outil de formage et/ou au moins un élément d'outil de formage (9) déplacé vers la première orientation et/ou la première position limite ou définit un deuxième volume partiel (TV2) de la cavité de l'outil de formage (7) pouvant être rempli de particules plastiques d'un autre matériau particulaire plastique.
  10. Outil de formage selon l'une quelconque des revendications 5 à 9, caractérisé en ce que le dispositif de commande (15) mis en place pour commander les opérations de remplissage de la cavité de l'outil de formage (7) est conçu pour effectuer une opération de remplissage du deuxième sous-volume (TV2) de la cavité de l'outil de formage (7) avec des particules de plastique provenant d'un autre matériau de particules de plastique différent du premier matériau de particules de plastique dans au moins un paramètre chimique et/ou physique via un dispositif de remplissage (3, 4), en particulier via un deuxième (3) dispositif de remplissage, si au moins un élément d'outil de formage (9) est déplacé dans le premier alignement et/ou la première position.
  11. Outil de formage selon l'une quelconque des revendications 5 à 10, caractérisé en ce que le dispositif de commande mis en place pour commander des opérations d'assemblage de particules plastiques remplies dans la cavité de l'outil de formage (7) est mis en place pour effectuer au moins une opération d'assemblage des particules plastiques de l'autre matériau de particules plastiques remplies dans le deuxième volume partiel (TV2) de la cavité de l'outil de formage (7) sous la formation d'une deuxième pièce plastique formée à partir de l'autre matériau de particules plastiques (FT2), lorsque le deuxième volume partiel (TV2) de la cavité de l'outil de formage (7) est rempli de particules plastiques de l'autre matériau de particules plastiques, l'opération d'assemblage facultative des particules plastiques de l'autre matériau de particules plastiques remplies dans la cavité de l'outil de formage (7) comprenant l'insertion d'un fluide de processus tempéré dans le deuxième volume partiel (TV2) de la cavité (7) de l'outil de formage, en particulier les ouvertures latérales (8) et/ou les ouvertures latérales de l'outil de formage (113).
  12. Outil de formage selon l'une quelconque des revendications 5 à 11, caractérisé en un dispositif de commande (15) pour commander des mesures d'évacuation et/ou de refroidissement de la cavité de l'outil de formage (7), dans lequel le dispositif de commande (15) est configuré pour effectuer une mesure d'évacuation et/ou de refroidissement de la cavité de l'outil de formage (7) via un dispositif d'évacuation et/ou de refroidissement de la cavité de l'outil de formage (7), lorsque la mesure de raccordement des particules de plastique remplies dans la cavité de l'outil de formage (7) de la matière particulaire plastique supplémentaire est achevée.
  13. Outil de formage selon l'une quelconque des revendications précédentes, caractérisé par plusieurs éléments d'outil de formage qui peuvent être déplacés en conséquence entre une première orientation et/ou position et au moins une autre orientation et/ou position (9), dans lesquels, en option, au moins deux éléments d'outil de formage (9) s'étendent dans leurs autres orientations et/ou positions respectives, parallèles ou non parallèles l'un à l'autre, dans la cavité de l'outil de formage (7).
  14. Dispositif (16) pour le traitement de particules en plastique expansibles ou expansibles Fabrication d'un composant en mousse particulaire multicomposant caractérisé par au moins un outil de formage (1) selon l'une quelconque des revendications 1 à 13, au moins un dispositif de remplissage (2 à 4) pour remplir la cavité de l'outil de formage (7) de l'outil de formage (1), au moins un dispositif d'entraînement (10) pour générer une force d'entraînement et/ou un moment d'entraînement sur lequel au moins un élément d'outil de formage (9) peut être déplacé dans des orientations et/ou des positions respectives, et au moins un dispositif d'alimentation en fluide de processus (12, 13) pour alimenter la cavité de l'outil de formage (7) avec un fluide de processus.
EP21728853.9A 2020-05-22 2021-05-20 Moule pour le traitement de particules plastiques expansibles ou expansées Active EP4153395B1 (fr)

Applications Claiming Priority (2)

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DE102020113838.5A DE102020113838A1 (de) 2020-05-22 2020-05-22 Formwerkzeug zur Verarbeitung von expandierbaren oder expandierten Kunststoffpartikeln
PCT/EP2021/063481 WO2021234096A1 (fr) 2020-05-22 2021-05-20 Moule pour le traitement de particules plastiques expansibles ou expansées

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EP4153395C0 EP4153395C0 (fr) 2025-09-24
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EP (1) EP4153395B1 (fr)
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DE102022114033A1 (de) 2022-06-02 2023-12-07 Siegfried Hofmann Gmbh Formwerkzeug zur Verarbeitung eines Partikelschaummaterials zur Herstellung eines Partikelschaumformteils
DE102024116352A1 (de) 2024-06-11 2025-12-11 Pöppelmann Holding GmbH & Co. KG Verfahren und Vorrichtung zur Herstellung eines zellulären Formkörpers

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
FR1503998A (fr) 1966-10-13 1967-12-01 Perfectionnements à la fabrication d'articles moulés en plusieurs matières différentes
JPS61130026A (ja) * 1984-11-29 1986-06-17 Shoei Kako Kk 異種層をもつフオ−ムスチレンの成形方法
JP2992591B2 (ja) 1989-12-18 1999-12-20 ジーイー東芝シリコーン株式会社 シリカコア―シリコーンシェル体、これを分散含有するエマルジョンおよびエマルジョンの製造方法
JP2785076B2 (ja) 1991-02-21 1998-08-13 三菱化学ビーエーエスエフ株式会社 型内ビーズ発泡成形品の製造方法
JP3274554B2 (ja) 1992-09-04 2002-04-15 三菱化学フォームプラスティック株式会社 起立部を有する発泡成形品の製造方法
DE4237239A1 (de) 1992-11-04 1994-05-05 Teubert Maschinenbau Gmbh Schaumstofformkörper, Verfahren zu seiner Herstellung sowie Vorrichtung zur Durchführung des Verfahrens
JP5152264B2 (ja) * 2010-07-12 2013-02-27 三興技研株式会社 発泡樹脂成型品の製造方法
EP2875928B1 (fr) 2013-11-25 2018-01-03 Overath GmbH Procédé de fabrication d'un outil de formage
DE102018007301B4 (de) 2018-04-27 2021-05-12 Fox Velution Gmbh Werkzeug zur Verarbeitung von Kunststoffpartikelmaterial zur Herstellung eines Partikelschaumbauteils, Vorrichtung zur Verarbeitung von Kunststoffpartikelmaterial sowie ein Verfahren zur Verarbeitung von Kunststoffpartikelmaterial

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EP4153395C0 (fr) 2025-09-24
WO2021234096A1 (fr) 2021-11-25
DE102020113838A1 (de) 2021-11-25
US12311583B2 (en) 2025-05-27
EP4153395A1 (fr) 2023-03-29

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